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- Problems on resistance and resistivity
- Problem on resistance and resistivity 13
- Problem on resistance and resistivity 12
- Problem on resistance and resistivity 11
- Problem on resistance and resistivity 10
- Problem on resistance and resistivity 9
- Problem on resistance and resistivity 8
- Problem on resistance and resistivity 7
- Problem on resistance and resistivity 6
- Problem on resistance and resistivity 5
- Problem on resistance and resistivity 4
- Problem on resistance and resistivity 3
- Problem on resistance and resistivity 2
- Problem on resistance and resistivity 1
- What is the reciprocal of resistivity?
- Which material has low resistivity?
- What factors affect resistivity?
- What is the formula for resistivity?
- Define resistivity. State its unit.
- The slip of an induction motor normally does not depend on
- The size of a transformer core will depend on?
- Increasing the number of turns of wire on the secondary of a transformer will
- Compare CC and PC of wattmeter on the basis of:- (i) Connection (ii) Status (iii) Number of turns (iv) Gauge of wire.
- The deflection of hot-wire instrument depends on:
- What is the correct sequence of the following materials in ascending order of their resistivity ?
- The resistivity of a semiconductor material increases as :
- The resistance of a strip of copper of rectangular cross-section is 2Ω. A metal of resistivity twice that of ....
- Resistivity is usually expressed in terms of
- Why should switch be connected only on the live wire and never on the neutral wire?
- Earth wire on EHV overhead transmission line is provided to protect the line against:
- When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon
- Materials, whose resistivity at very low temperatures plunges from a finite value to zero and remains there...
- Which material is having highest resistivity in ohm-metre at 20oC X10-8?
- What is the diameter of the GI pipe through which the earth wire needs to be taken out?
- The color of wire recommended for earth connection as per BIS code is
- Resistance of a copper wire decreases when ......................increases
- For a round wire, the approximate value of fusing current is given by
- If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge
- What happens to the resistance of a wire when its length as well as the cross-sectional area are doubled?
- What is the resistance of a 160 m wire with a uniform diameter of 0.28 mm, if the specific resistance is
- A drawn wire of resistance 5 Q is further drawn so that its diameter becomes one-fifth of the original. ...
- In a certain three -wire Y -connected generator, the phase voltages are 2 kV. The magnitudes of the line...
- A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the...
- The rating of fuse wire is always expressed in
- The material used for fuse wire should be of
- For a fuse wire of diameter ‘d’, fusing current is proportional to
- A nichrome wire used as heater coil has the resistance of 1 ohm/m. For ...
- A wire of resistance R has it length and cross-section both doubled. Its resistance will become
- A wire of 0.14 mm diameter and specific resistance 9.6 micro ohm-cm is 440 cm long. The resistance of the wire will be
- A copper wire of length l and diameter d has potential difference V...

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